Northern Alligator Lizard (Elgaria coerulea) lives in forested habitats and montane chaparral across North America. Its conservation status is Least Concern.
Fascinating facts about the Northern Alligator Lizard
- The northern alligator lizard gives birth to live young rather than laying eggs, a trait known as viviparity. Females can produce up to fifteen offspring in a single litter, although most litters contain only four to five individuals. After mating in the spring, the embryos develop inside the mother and are born between June and September, the warmest months of the year.
- When the breeding season arrives in spring, a male northern alligator lizard initiates courtship by clamping his jaws around the female's head and maintains this grip until she is ready to mate.
- Pairs can stay locked together for many hours, appearing indifferent to their surroundings. They remain almost oblivious to their surroundings.
- The northern alligator lizard lives from sea level to roughly 3,350 m, occupying the full vertical range of its coastal and mountain homes. It is found along the Pacific Coast from southern British Columbia through Washington, Oregon and into central California, and also in the Rocky Mountains of Idaho and western Montana. Within this span it uses a variety of forested habitats and montane chaparral, often sheltering under rocks, logs or burrows.
- Its diet is varied, taking insects such as crickets, slugs, beetles, spiders and moths that it encounters on the forest floor. When larger prey are available the lizard will also capture small lizards, expanding its menu beyond invertebrates. In rare opportunities it will even eat newborn rodents if given the chance, showing a willingness to exploit any suitable food source. This opportunistic feeding strategy allows it to thrive in diverse habitats.
Sources
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At a glance
RangeNorth America
HabitatForested habitats and montane chaparral
DietInsects and spiders
About the Northern Alligator Lizard
In the sun-dappled underbrush of the Pacific Northwest, the Northern Alligator Lizard navigates its domain with a quiet, unassuming air, its scaly body undulating as it moves with a slow, deliberate grace. As it forages for insects and small invertebrates, its long, slender tail twitches with a life of its own, a counterbalance to the lizard's every move, allowing it to dart and weave through the dense vegetation with remarkable agility. With its mottled brown and grey hide blending seamlessly into the surrounding landscape, this remarkable creature remains all but invisible, a testament to the enduring power of adaptability in the natural world.
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